# -*- coding: utf-8 -*-
#!/usr/lib/python3.5

# Scrapy settings for datadog project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     http://doc.scrapy.org/en/latest/topics/settings.html
#     http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
#     http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'snowball_crawler'

SPIDER_MODULES = ['snowball_crawler.spiders']
NEWSPIDER_MODULE = 'snowball_crawler.spiders'

# Configure a delay for requests for the same website (default: 0)
# See http://scrapy.readthedocs.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
DOWNLOAD_DELAY = 1

# Obey robots.txt rules
ROBOTSTXT_OBEY = False
DUPEFILTER_DEBUG = False
# Disable cookies (enabled by default)
COOKIES_ENABLED = True
#COOKIES_DEBUG = True

# The download delay setting will honor only one of:
CONCURRENT_REQUESTS_PER_DOMAIN = 8
CONCURRENT_REQUESTS_PER_IP = 0

LOG_FILE = 'logs/scrapy.log'
LOG_STDOUT =True
# Enable and configure the AutoThrottle extension (disabled by default)
# See http://doc.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
#AUTOTHROTTLE_DEBUG = True

#XXX:scrapy's item pipelines have orders!!!!!,it will go through all the pipelines by the order of the list;
#So if you change the item and return it,the new item will transfer to the next pipeline.
#XXX:notice:
#if you want to use shard mongodb,you need MongodbWoaiduBookFile and ShardMongodbPipeline
#if you want to use single mongodb,you need WoaiduBookFile and SingleMongodbPipeline
ITEM_PIPELINES = {'snowball_crawler.pipelines.snowball_daily.snowballDailyPipeline' : 900,
                  'snowball_crawler.pipelines.snowball_his.snowballRebalancingPipeline': 200,
                  'snowball_crawler.pipelines.snowball_stockbar.snowballStockbarPipeline': 100,
               #   'snowball_crawler.pipelines.mongdb.mongodbPipeline': 200,
                  }

# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'datadog (+http://www.yourdomain.com)'

# Configure maximum concurrent requests performed by Scrapy (default: 16)
#CONCURRENT_REQUESTS = 32

# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False

# Override the default request headers:
#DEFAULT_REQUEST_HEADERS = {}

# Enable or disable spider middlewares
# See http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
#    'datadog.middlewares.DatadogSpiderMiddleware': 543,
#}

# Enable or disable downloader middlewares
# See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
#    'datadog.middlewares.MyCustomDownloaderMiddleware': 543,
#}

# Enable or disable extensions
# See http://scrapy.readthedocs.org/en/latest/topics/extensions.html
#EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
#}

# Configure item pipelines
# See http://scrapy.readthedocs.org/en/latest/topics/item-pipeline.html
#ITEM_PIPELINES = {
#    'datadog.pipelines.SomePipeline': 300,
#}


# Enable showing throttling stats for every response received:

MONGODB_SERVER = "localhost"
MONGODB_PORT = 27017
MONGODB_DB = "snowball"
# Enable and configure HTTP caching (disabled by default)
# See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = 'httpcache'
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

